Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

The sudden awakening of a volcano that had been quiet for roughly 12,000 years has transformed a remote corner of Ethiopia into a global focal point, as a towering ash plume shot into the sky like an ...

Spectacular videos show several volcanoes erupting and spewing fiery lava. Guatemala's Volcan de Fuego, meaning volcano of fire, began spouting a constant stream of molten lava on February 23. It's ...

A volcano on Japan’s major western island of Kyushu had multiple eruptions on Sunday, Nov. 16, sending a plume of smoke and ash almost three miles into the air, causing tens of flight cancellations ...

HONOLULU — Hawaii's Kilauea volcano resumed erupting Friday by shooting an arc of lava 100 feet (30 meters) into the air and across a section of its summit crater floor. It was Kilauea's 31st display ...

Scientists have uncovered a long-missing piece of the volcanic puzzle: rising magma doesn’t just form explosive gas bubbles when pressure drops—it can do so simply by being sheared and “kneaded” ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. How and if a volcano explodes depends on how and when bubbles of ...